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Primary and secondary effects of volcanic activity
Explain types of disaster
Essay on types of natural disasters
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I.Types of Natural Disasters
On Earth, there are numerous types of natural disasters such as tsunamis, earthquakes, thunderstorms, tornadoes, etc. Some occur more than other natural disasters, while others cause more destruction than others. Natural disasters form because of the shifting of earth, the weather, and floods and mudslides.
A.. Most Common Natural Disasters There are some natural disasters that occur more than others. Some examples of most common natural disasters are hurricanes and thunderstorms. Even though these disasters are more common than others, they can cause more damage.
Hurricanes
Hurricanes are a storm of the most intense severity (dictionary.com). Hurricanes develop when seawater comes above
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Andies, a thunderstorm that hit east of the Rocky mountains in the U.S, and east of the Andes Mountains in Argentina. This thunderstorm didn’t cause much damage, but it was recorded as one of the most powerful in history.
B. Least Common Natural Disasters
There are also natural disasters that occur commonly, but can cause a magnificent amount of damage. Some examples of least common disasters are volcanoes and heat waves. Even though volcanoes occur less, they create mass damage. A volcano is a vent in Earth’s crust. What causes volcanoes to erupt is that when magma rises closer to the Earth’s surface, the pressure decreases and the dissolved gases come out of the solution to form bubbles. Then as the bubbles expand, the magma is pushed into the vent until it breaks through weaknesses in the Earth’s crust. There are 3 types of volcanoes. Sleeping volcano, Shield cone volcano, and a stratovolcano. They are different because a sleeping volcano doesn’t have volcanic activity, a shield volcano has runny lava that erupts from the vent in a gushing river, or fountain, and a cinder cone volcano has one vent that erupts ash and rocks that fall in a ring, and a stratovolcano erupts thick, sticky lava that cools and hardens
Volcanoes are one of the most disastrous yet captivating geological land forms on earth. Many volcanic eruptions are catastrophic, but not all volcanic eruptions are as brutal. The two case studies I have chosen to compare and contrast are the 1980 Mount St. Helens eruption with the eruption of Hawaii’s Kilauea volcano which is still active today.
A hurricane is easily the most powerful storm that mother-nature can throw at us. Every year people who live on the coasts fight hurricanes with no dismay. A hurricane is simply too strong. Their winds reach speeds of 75 mph. The winds around the eye wall can reach 130 to 150 mph. They are 200 to 300 miles in diameter. The number of casualties is endless, as well as the widespread destruction that takes millions of dollars to repair. Even if the hurricane doesn’t cause a lot of damage, the storm surge will. Storm surge is the great tidal waves that crash into our coasts and make huge floods that are caused by hurricanes.
Volcanoes. The naturally forming landforms that can look remarkably beautiful. Gentle slopes, or high rising heights with snow caps and greenery that seems to attract many tourists and sightseers around the world. These magnificent landforms can also cause major destruction and can produce forces that can explode, burn, and create a great deal of damage. Two of these extravagant wonders of the world is the Mount Saint Helens composite volcano in Washington, US, and the Mauna Loa shield volcano in Hawaii, US. These landforms have a eruption history of many colors. One has a great power in eruption, but another has a eruption that is quiet and gentle. In comparing these two volcanoes there are many likes, and dislikes, to consider. So the following
A natural disaster is defined as any event or force of nature that has catastrophic consequences. It destroys everything in its path and has no mercy for anything. It kills anything in its way and does not care about what people think. Hurricane Katrina and Hurricane Harvey were both devastating storms giving some people the ultimate consequence. It made people value what they had when they had it. Hurricane Katrina and Hurricane Harvey were not only devastating storms but they were also life changers to every living thing in the areas it effected.
Earthquakes, tsunamis, and volcanos have all caused significant damage to the Earth and the people of it. Earthquakes can cause huge buildings to crumble, the ground to subside, flooding when a dam/ levee breaks, and fires caused by broken gas lines. People can be crushed by huge buildings collapsing, drowning from the flood caused by the broken levee or dam, getting buried under a landslide, or even getting burned alive by a fire from a broken gas line. Tsunamis can cause major flooding, a great number of casualties, and the total destruction of houses of buildings. People die from drowning, collapsing buildings, electrocution from power outlets, diseases, and explosions of gas from damaged tanks and other floating debris. Lastly, volcanoes can also cause large amounts of damage. Volcanoes cause; earthquakes, mudslides, fast floods, rock falls, and huge amounts of ash to be discharged. Houses, buildings, roads, and fields can collapse when covered with hot ash. Harmful gasses that are emitted from a volcano can get into your respiratory system and make it hard for you to breathe, causing death. Cities and towns are destroyed by mudslides, ash, and the earthquakes caused by a volcanic eruption. When plate tectonics move they cause all of these terrible things. The number of casualties are constantly rising because of these natural disasters and their effects on
Super volcanoes are formed when magma rises from the mantle to create a scorching reservoir in the Earth's
Hurricanes are powerful storms that form over warm, tropical ocean water. Hurricane Hugo happened on September 9, 1989 to September 25, 1989, and it affected most of the east coast of the United States. Hurricanes are natural disasters and can damage people and their property.
Volcanoes arise when magma, liquid rock within the earth, reaches the surface. Volcanoes then erupt because of their bouyancy and gas pressure. On account of this buoyancy, the hot liquid magma rises toward the surface through the more dense rock. Gas pressure from within the magma also exerts a force on the surrounding rock. This cracks the rock, located above the magma, and then moves into the crack. This process is repeated over and over again until the magma reaches the surface.
Volcanoes can be one of the most destructive forces on Earth. It is estimated that some
Hurricanes are powerful atmospheric vortices that are intermediate in size. Hurricanes are unique and powerful weather systems. The word “hurricane” comes from a Caribbean word meaning “big wind”. Views of hurricanes can be seen from a satellite positioned thousands of miles above the earth.
Natural Disasters can occur anywhere at anytime. Some are more predictable than others, but they all bring hardship to everyone’s life. Examples of natural disasters are Earthquakes (Haiti 2010), Tornadoes, Tsunami, Hurricanes, Wild Fires, Winter Storms, Heat waves, Mudslides and Floods. Regardless of what kind of disaster occurs, bottom line, everyone needs to be prepared mentally and physically to deal with the aftermath. Education is the first step to prepare you to deal with any major disaster. Three of the major disasters that can potentially disrupt normal day to day operations in our lives, are Hurricanes, Tsunamis and Tornadoes.
Hurricane is a natural disaster with far reaching consequences. It takes away the lives of millions of people and causes damage to almost all of human creation. It can cause extensive damage to coastlines and several hundred miles inland due to heavy rainfall. Floods and flying debris often plays havoc in the lives of people living along coastal areas. Slow moving hurricanes produce heavy rains in mountainous regions. Landfall and mud-slides can occur due to excessive rain. Chances of flash floods also brighten due to heavy rainfall. Below are some interesting facts about hurricanes.
When a volcano erupts, the focus is particularly on the consequences that take place near the volcano, such as weather conditions, the impact on nature, and the people who are affected. The noticeable changes that take place after a volcanic eruption includes the decrease in the temperature, natural disasters, such as tsunamis, droughts, and hurricanes, and the air pollution, which can be harmful to plants, animals, and people.
The English writer John Ruskin once said “Sunshine is delicious, rain is refreshing, wind braces us up, snow is exhilarating; there is really no such thing as bad weather, only different kinds of good weather,” (John Ruskin Quotes - Page 4) but I’m sure there are many who disagree with him. Nature’s beauty is a gift from God, but occasionally nature is not so aesthetically pleasing. Natural disasters occur often around the world destroying the lives of many on a regular basis. An example could be the recent flood victims of Australia or even last year’s earthquake in Haiti. There are several types of natural disasters¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬- from earthquakes to hurricanes and floods; they often strike without warning and leave a path of destruction and despair in their path.